First Aid: Lay the person down in a cool area with their feet slightly elevated. Give the person cool (not iced) fluids, adding a teaspoon of salt per quart of liquid. Apply tepid (room air temperature) wet towels to the body.

HEAT STROKE

This condition is the most serious of heat-related illness. Among those considered at risk are the obese, elderly, infants and athletes.

Cause: Prolonged exposure to hot and humid conditions, which interfere with the evaporation of sweat, a cooling mechanism for the body.